Some manual tweaking however is sometimes required. While the converter is not fool-proof, it does a pretty decent job of converting most boilerplate code from Java to Kotlin. You can Drag and drop your file, copy and paste your code, or type. To use J2K on a file, click Convert Java File to Kotlin File in its context menu or in the Code menu of IntelliJ IDEA. It’s pretty straight forward, but in Kotlin there are a few different ways to solve the problem of defining a logger. How to convert kotlin to Java: Fill in the editor above with your kotlin code. In Java, having a static property for something like a Logger is a very common use case. It was our first Kotlin migration and getting to know the Kotlin language better was/is a lot of fun, but also confusing at times. You can build it first Eric Cochran at 23:37 12 It's very likely that you will end up with an ugly and unmaintainable Java class which won't run if you don't have the Kotlin standard library in the classpath. While doing so we’ve learned quite a few things along the way and I created some notes that I wanted to share in case somebody else runs into the same issues. 9,999 4 45 68 17 I'm pretty sure no automated tool has been built for this yet. Development Migrating a Spring Boot service from Java 11 to KotlinĪt my current project we’ve just finished migrating a Spring Boot 2.1.x service from Java 11 to Kotlin.

Converting kotlin to java